> I just buy the cheap stuff at the drugstore....What is its percentage? 3%?
He was looking at 10, 20 and 30%.
- JimT
Message
Re: [Homebrew_PCBs] Hydrogen peroxide mixing
2011-03-06 by Jim Tonne
He was looking at 10, 20 and 30%.
- JimT
Yahoo Groups archive
Message
2011-03-06 by Jim Tonne
> I just buy the cheap stuff at the drugstore....What is its percentage? 3%?